1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*******************************************************************************
* Copyright (c) 2008, 2015 Nokia and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Nokia - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.actions;
import java.util.Arrays;
import java.util.Comparator;
import java.util.ResourceBundle;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.util.OpenStrategy;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.MarkerUtilities;
import org.eclipse.ui.texteditor.TextEditorAction;
/**
* Find and goto the next bookmark in the currently selected file.
*/
public class GotoNextBookmarkAction extends TextEditorAction {
public static final String NEXT_BOOKMARK = "GotoNextBookmark"; //$NON-NLS-1$
/**
* Private class to handle comparison of markers using their line numbers.
*/
private class CompareMarker implements Comparator<IMarker> {
@Override
public int compare(IMarker m1, IMarker m2) {
int l1 = MarkerUtilities.getLineNumber(m1);
int l2 = MarkerUtilities.getLineNumber(m2);
if (l1 > l2)
return 1;
if (l1 < l2)
return -1;
return 0;
}
}
/**
* Creates new action.
*/
public GotoNextBookmarkAction(ResourceBundle bundle, String prefix, ITextEditor editor) {
super(bundle, prefix, editor);
}
@Override
public void run() {
ITextEditor editor = getTextEditor();
if (editor == null)
return;
ISelectionProvider provider = editor.getSelectionProvider();
if (provider == null)
return;
ITextSelection selection = (ITextSelection) provider.getSelection();
if (selection == null || selection.isEmpty())
return;
IEditorInput input = editor.getEditorInput();
if (input == null)
return;
IResource resource = (input).getAdapter(IResource.class);
if (resource == null || !(resource instanceof IFile))
return;
try {
IMarker[] bookmarks = resource.findMarkers(IMarker.BOOKMARK, true, IResource.DEPTH_ONE);
if (bookmarks.length == 0)
return;
// sort bookmarks by line number
CompareMarker comparator = new CompareMarker();
Arrays.sort(bookmarks, comparator);
// marker line numbers are 1-based
int line = selection.getStartLine() + 1;
IMarker lastBookmark = bookmarks[bookmarks.length - 1];
// start from the beginning of file if reached or went beyond last bookmark
if (line >= MarkerUtilities.getLineNumber(lastBookmark)) {
line = 1;
}
// find the next bookmark and goto it
for (int i = 0; i < bookmarks.length; i++) {
IMarker bookmark = bookmarks[i];
if (MarkerUtilities.getLineNumber(bookmark) > line) {
IDE.openEditor(getTextEditor().getSite().getPage(), bookmark, OpenStrategy.activateOnOpen());
break;
}
}
} catch (CoreException e) {
e.printStackTrace();
}
}
}
|
